Diet Overlap

Urocitellus columbianus (Columbian ground squirrel)
Lemmiscus curtatus (sagebrush vole)

Common Diet

Bromus moeszii (military grass)
Erodium cicutarium (redstem)
Medicago sativa (yellow alfalfa)

Common Habitat

Blue Mountains forests
Cascade Mountains leeward forests
Lake Roosevelt National Recreation Area
Montana Valley and Foothill grasslands
North America
Okanagan dry forests
Palouse grasslands
Snake-Columbia shrub steppe
South Central Rockies forests

Attributes / relations provided by
1Individual variation in the ability of Columbian ground squirrels to select an optimal diet, MARK E. RITCHIE, Evolutionary Ecology, 1988, 2, 232-252
2Lemmiscus curtatus, Lynn E. Carroll and Hugh H. Genoways, Mammalian Species No. 124, pp. 1-6 (1980)